While searching for a program that would open a window with the option to
change its size and display the parameters of that window, I found 
TestWindow. Unfortunately, it lacked one feature: after closing the window, 
the program  did not send its size parameters to CON or a variable in ENV.

Fortunately, the author also included the source code in AmigaE in the 
archive. A small change in the code added the feature I was missing. I made
a few more cosmetic changes to the code regarding the data displayed on the
top bar of Workbench and raised the version number to 1.1B. Currently, after
closing the TestWindow window, a CON window opens and data such as 
Width/Height is displayed, which can be easily redirected to a variable in
ENV.

Of course, all copyrights belong to the original creator of the program. I am
only responsible for the minor changes I made.

Lucas "Ponki" 14/02/2026

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Below is the original text by the author from version 1.0B:

  TestWindow opens a window on any public screen.  It does nothing except
report it's size and position in the screen's titlebar.  As dull as this may
sound, it's actually useful at times when you want a window's dimensions 
and/or position to be just-so.  Requires WB 2.04 or above.

  Public Domain.  Includes source in Amiga E.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[Amiga]                   1373    2052  66.9% -lh5- 974b Feb 14 15:06 TestWindow/TestWindow11B
[Amiga]                   1009    2119  47.6% -lh5- 4b0f Feb 14 15:01 TestWindow/TestWindow11B.doc
[Amiga]                    972    2650  36.7% -lh5- ccda Feb 14 15:05 TestWindow/TestWindow11B.e
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         3 files    3354    6821  49.2%            Feb 15 02:38